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6 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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21 ** GNU General Public License Usage
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46 // This file is not part of the Qt API. It exists purely as an
47 // implementation detail. This header file may change from version to
48 // version without notice, or even be removed.
52 #ifndef Patternist_ProjectedExpression_H
53 #define Patternist_ProjectedExpression_H
55 #include <private/qitem_p.h>
63 class ProjectedExpression
66 typedef ProjectedExpression * Ptr;
67 typedef QVector<ProjectedExpression::Ptr> Vector;
68 virtual ~ProjectedExpression()
77 KeepSubtree = 4 | Keep
80 virtual Action actionForElement(const QXmlName name,
81 ProjectedExpression::Ptr &next) const
90 class ProjectedNodeTest
93 typedef ProjectedNodeTest * Ptr;
94 virtual ~ProjectedNodeTest()
98 virtual bool isMatch(const QXmlNodeModelIndex::NodeKind kind) const
105 class ProjectedStep : public ProjectedExpression
108 ProjectedStep(const ProjectedNodeTest::Ptr test,
109 const QXmlNodeModelIndex::Axis axis) : m_test(test),
115 virtual Action actionForElement(const QXmlName name,
116 ProjectedExpression::Ptr &next) const
125 const ProjectedNodeTest::Ptr m_test;
126 const QXmlNodeModelIndex::Axis m_axis;
129 class ProjectedPath : public ProjectedExpression
132 ProjectedPath(const ProjectedExpression::Ptr left,
133 const ProjectedExpression::Ptr right) : m_left(left),
140 virtual Action actionForElement(const QXmlName name,
141 ProjectedExpression::Ptr &next) const
143 ProjectedExpression::Ptr &candidateNext = next;
144 const Action a = m_left->actionForElement(name, candidateNext);
148 /* The test accepted it, so let's replace us with the new step. */
149 next = candidateNext;
156 const ProjectedExpression::Ptr m_left;
157 const ProjectedExpression::Ptr m_right;